Subtract 3/12 from 12/35
12/35 - 3/12 is 13/140.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 12 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 35 × 12 = 420,
12/35 = 12 × 12/35 × 12 = 144/420 - Likewise, for the 2nd fraction, since 12 × 35 = 420,
3/12 = 3 × 35/12 × 35 = 105/420 - Subtract the two like fractions:
144/420 - 105/420 = 144 - 105/420 = 39/420 - After reducing the fraction, the answer is 13/140
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/35-3/12 12/35-6/12 12/70-3/12 12/35-3/24 36/35-3/12 12/35-9/12 12/35-3/36 60/35-3/12 12/35-15/12 12/35-3/60 84/35-3/12 12/35-21/12 12/35-3/84